C++ (Computer program language) 147 Java (Computer program language) 139 R (Computer program language) 137 C (Computer program language) 93 Python (Computer program language) 90 Computer program language 64 Data processing 45 Object-oriented programming (Computer science) 44 Data structures (Computer science) 42 Mathematical statistics 36 Statistics 35 Internet programming 32 BASIC (Computer program language) 30 Computer programming 29 Computer graphics 25 Data mining 23 Programming (Electronic computers) 23 Visual programming (Computer science) 22 Computer algorithms 20 SQL (Computer program language) 20 PHP (Computer program language) 19 Pascal (Computer program language) 19 Perl (Computer program language) 18 Application software 17 Numerical analysis 16 Development 15 JavaScript (Computer program language) 14 Visual programming languages (Computer science) 13 Electronic computers 12 MATHEMATICS / Probability & Statistics / General 12